Well that may be a problem VM always needs a little XSTORE unlike MVS and because you are trying to allocate a guest with more memory than you have Real Memory to support than VM will need someplace to Swap. How many Paging volumes do you have and what are their sizes.
Also don't think that a WAS server on a zSeries box will need that much Storage. I would start him off with 32 GB maybe but give him some VDISK SWAP Space. Other s on this List can help with that and there is a Redpaper on setting up WebSphere on zLinux I attached it here, but if it doesn't make it search for Linux on IBM zSeries and S/390: z/VM Configuration for WebSphere Deployments Larry Davis From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Carlos Bodra - Pessoal Sent: Wednesday, April 20, 2011 7:33 PM To: IBMVM@LISTSERV.UARK.EDU Subject: Re: z/VM RedHat Virtual Machine Memory abend q stor STORAGE = 48G CONFIGURED = 48G INC = 128M STANDBY = 0 RESERVED = 0 Ready; T=0.01/0.01 20:33:09 No xstore defined. Carlos Bodra IBM Certified Specialist System z Sao Paulo - Brazil Em 20/04/2011 20:04, Davis, Larry (National VM/VSE Capability) escreveu: What is your Hardware Memory configuration for Main Storage and XSTORE for VM Larry Davis From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Carlos Bodra - Pessoal Sent: Wednesday, April 20, 2011 6:39 PM To: IBMVM@LISTSERV.UARK.EDU<mailto:IBMVM@LISTSERV.UARK.EDU> Subject: Re: z/VM RedHat Virtual Machine Memory abend Larry, We are running it z/VM 5.4 RSU 1003 (lastest), but problem is connected to Linux, because I changed MAINT user memory to 128GB and all runs fine. This machine has no CP´s just IFL´s processors. Carlos Bodra IBM Certified Specialist System z Sao Paulo - Brazil Em 20/04/2011 19:24, Davis, Larry (National VM/VSE Capability) escreveu: Are you Running VM on this or zLinux only on an LPAR? Larry Davis From: The IBM z/VM Operating System [mailto:IBMVM@LISTSERV.UARK.EDU] On Behalf Of Carlos Bodra - Pessoal Sent: Wednesday, April 20, 2011 6:19 PM To: IBMVM@LISTSERV.UARK.EDU<mailto:IBMVM@LISTSERV.UARK.EDU> Subject: z/VM RedHat Virtual Machine Memory abend Hi s390x Gurus I´m new to Linux on z and we are conducting a POC test of Linux Red Hat with Oracle running under z/VM 5.4 RSU 1003 and a z/10 BC model A00 (IFL Only). If linux virtual machine is defined with 64G in directory we got an abend during startup (see below). Doing some tests I found that I can define it until 59G in directory (60794036k from TOP linux command) and it will startup correctly. My questions are: 1 - Is this a limitation of linux s390x or Red Hat distribution? 2 - Is this a linux s390x bug or Red Hat distribution? 3 - How can I circunvent this so we can continue with POC (Proof Of Concept)? Thanks in advance for all hints and tips about. 00: Booting default (2.6.18-194.8.1.el5)... Linux version 2.6.18-194.8.1.el5 (mockbu...@s390-002.build.bos.redhat.com<mailto:mockbu...@s390-002.build.bos.redhat.com>) (gcc version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Wed Jun 23 11:09:16 EDT 2010 We are running under VM (64 bit mode) Detected 3 CPU's Boot cpu address 0 Built 1 zonelists. Total pages: 16777216 Kernel command line: root=LABEL=/ BOOT_IMAGE=0 PID hash table entries: 4096 (order: 12, 32768 bytes) Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) Memory: 65951564k/67108864k available (3414k kernel code, 0k reserved, 2256k dat a, 136k init) Write protected kernel read-only data: 0x356000 - 0x409fff Calibrating delay loop... 2981.88 BogoMIPS (lpj=14909440) Security Framework v1.0.0 initialized SELinux: Initializing. selinux_register_security: Registering secondary module capability Capability LSM initialized as secondary Mount-cache hash table entries: 256 cpu 0 phys_idx=0 vers=FF ident=01F2D6 machine=2098 unused=8000 cpu 1 phys_idx=1 vers=FF ident=01F2D6 machine=2098 unused=8000 cpu 2 phys_idx=2 vers=FF ident=01F2D6 machine=2098 unused=8000 Brought up 3 CPUs migration_cost=1000 checking if image is initramfs...it isn't (bad gzip magic numbers); looks like a n initrd Freeing initrd memory: 2759k freed list_del corruption. prev->next should be 000000008001bff0, but was 000000008001 c840 kernel BUG at lib/list_debug.c:65! illegal operation: 0001 Ý#1¨ CPU: 0 Not tainted 2.6.18-194.8.1.el5 #1 Process swapper (pid: 1, task: 00000000c611f788, ksp: 00000000c6123b10) Krnl PSW : 0404000180000000 00000000002685d6 (list_del+0x9e/0xcc) Krnl GPRS: 0000000000000015 00000000c6123cb8 0000000000000026 0400000000000000 000000000012a83e 0000000000000733 000000000000000a 000000000050e400 0000000000000001 0000000000000000 000000008001bf90 000000008001bff0 000000008001bfce 0000000000369878 00000000002685d2 00000000c6123d10 Krnl Code: d2 07 10 08 20 08 e3 10 d0 08 00 04 e3 10 20 08 00 24 e3 10 Call Trace: (Ý<00000000002685d2>¨ list_del+0x9a/0xcc) Ý<000000000017820a>¨ free_pages_bulk+0x9e/0x34c Ý<000000000017868a>¨ free_hot_cold_page+0x1d2/0x1f4 Ý<00000000001009c0>¨ free_initrd_mem+0x8c/0xc8 Ý<00000000005944ee>¨ free_initrd+0xba/0xe4 Ý<000000000058e324>¨ init+0x1a0/0x32c Ý<000000000010558e>¨ kernel_thread_starter+0x6/0xc Ý<0000000000105588>¨ kernel_thread_starter+0x0/0xc <0>Kernel panic - not syncing: Fatal exception: panic_on_oops 01: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from CPU 00. 02: HCPGSP2629I The virtual machine is placed in CP mode due to a SIGP stop from CPU 00. 00: HCPGIR450W CP entered; disabled wait PSW 00020001 80000000 00000000 0010BDBE -- Carlos Bodra IBM Certified Specialist System z Sao Paulo - Brazil
